package com.linwen.javase.desgin_pattern.BigTalkDesignPattenJAVACode._17单例模式._8工具箱;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JButton;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

class Test extends JFrame {

    public static void main(String[] args) {
        new SingletonWindow();
    }
}



